WEICHAI WD10 Service Manual - page 59
Service Manual for WD10 Diesel Engine
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6) Tighten cylinder cover main bolts with torque wrench orderly to 200Nm and mark the
bolts;
7) Tighten each cylinder cover auxiliary nut for further 90° with torque wrench orderly and
mark the new position of the nuts;
8) Tighten each cylinder cover main bolt for further 90° with torque wrench orderly and mark
the new position of the bolts;
9) Tighten each cylinder cover auxiliary nut for another 90° with torque wrench orderly and
the tightening torque should reach 120~160Nm;
10) Tighten each cylinder cover main bolt for another 90° with torque wrench orderly and the
tightening torque should reach 240~340Nm;
Fig. 4-15 Assembly of cylinder cover auxiliary nuts and clamp blocks
Fan side
Flywheel side
Fig. 4-16 Tighten number 1~7 cylinder cover auxiliary bolts (studs)